Common spikerush Eleocharis Palustris is a native Irish plant with attractive, densely tufted stems and masses of attractive seed-heads. This plant is suitable for growing at the edge of ponds, lakes and streams and grow to a height of around 30 to 70 cm and requires a water depth of 0 to 6 cm over the crown. Position: Full sun to part shadePlanting depth: Damp soil to 6cm below water level.Growth rate: SlowFlowering Period: August & SeptemberHardiness: HardySize: Height: 30cm to 70cm Spread: 100cm Aquatic pot and compost variations Aquatic plants come in a variety of pot and compost variations that have different benefits for planting and growing. Mesh Pot (Aquatic Compost)Pot can be removed and plant can be planted directly into soil or margins above or below the water line. Pot and plant can also be placed directly into water to be container grown, but will still need repotting in time. Pot (Aquatic Compost)Pot must be removed and plant should be planted directly into soil or margins above or below the water line. Pot (Regular Compost)Pot must be removed and plant should be planted directly into soil or margins above the water line. Cannot be planted directly into soil below the water line.